Home / 8,690.06-13,025.37-3,752.30

Finding the Fourth Proportional to 8,690.06, 13,025.37 and 3,752.30

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Solution

The fourth proportional to 8,690.06, 13,025.37 and 3,752.30 is: 5,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.06 : 13,025.37 = 3,752.30 : x
  2. Step 2: Convert to fraction form
    8,690.06/13,025.37 = 3,752.30/x
  3. Step 3: Cross multiply
    8,690.06x = 13,025.37 × 3,752.30
  4. Step 4: Simplify right side
    8,690.06x = 48,875,095.85
  5. Step 5: Solve for x
    x = 48,875,095.85/8,690.06
  6. Step 6: Final answer
    x = 5,624.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.